Remove unused declaration.

R=rsc
CC=golang-dev
https://golang.org/cl/1686054

diff --git a/src/pkg/runtime/mgc0.c b/src/pkg/runtime/mgc0.c
index 2324eff29014842a11a832fd5bf0e1cfc11bfbfc..93a8f6d810dd84e70672e379afe8e85373f562c0 100644 (file)
--- a/src/pkg/runtime/mgc0.c
+++ b/src/pkg/runtime/mgc0.c
@@ -27,7 +27,6 @@ static G *fing;
 static Finalizer *finq;
 static int32 fingwait;
 
-static void sweepblock(byte*, int64, uint32*, int32);
 static void runfinq(void);
 
 enum {